Tenders Description & Specification for DSB SSB AM Receiver Trainer
DSB SSB AM Receiver Trainer
DSB / SSB AM Receiver trainer this trainer has been designed with a
view to provide practical and experimental knowledge of DSB / SSB
AM Receiver technique as practically implemented in Analog Communication
system on a signal P.C.B. of size 300x400mm
Object:
01. Study of DSB & SSB AM reception & deletion by diode / product detectors.
02. Study of AGC.
03. Study of receiver tuned circuits.
04. Study of Sensitivity, Selectivity & Fidelity of Receiver.
Experiments:
01. Study of double sideband AM reception using envelope detector via cable.
02. Study of double sideband AM reception using envelope detector via Antenna.
03. Study of sensitivity, selectivity, of a radio receiver.
04. Study of single sideband AM reception using product detector.
05. Study of Image frequencies.
06. Voice transmission with DSB AM transmission / reception.
Feature:
The board consists of the following built-in parts:
01. POWER SUPPLY : ± 12DC and 5V DC IC Regulated power supply.
02. Detectors/Demodulator : 1. Diode Detector (For DSB)
: 2. Product Detector (For SSB)
03. Frequency Range : 980KHz to 1650 KHz.
04. Intermediate frequency : 455 KHz.
05. Input Circuits : 1. RF Amplifier
: 2. Mixer
: 3. 1st Amplifier
: 4. 2nd Amplifier
: 5. Local oscillator
: 6. Envelope Detector (AGC)
: 7. Switch Fault
: 8. Product Detector
: 9. IC Regulated Power Supply
: 10. Beat frequency oscillator / 455 KHz Crystal oscillator
: 11. Output Audio Amplifier
06. Receiving media : Telescopic Antenna / cable.
07. Tuning : with variable capacitor.
08. Switched faults : 8Nos.
09. Test points : 50.
10. Power supply requirement : 230V AC, 50 Hz.
11. Mains ON/OFF switch, fuse and LED.
12. Audio Output amplifier with Volume Control.
13. Loud Speaker with baffle fitted in a box with two metre wire and 2mm Banana pins for connections.
* Adequate no. of patch cords stackable from rear both ends 2mm spring loaded plug length ½ metre.
* Good Quality, reliable terminal/sockets are provided at appropriate places on panel for connections/ observation of waveforms.
* Strongly supported by detailed Operating Instructions, giving details
of Object, Theory, Design Procedures, Report Suggestions and Book
References.
Other Apparatus Required:
* Cathode Ray Oscilloscope 20MHz.
Ltekonline are the manufacturers of DSB SSB AM Receiver Trainer used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Communication System for Engineering Teaching Lab in Universities